Toxicology: Deadly Lead in Children

In most cities east of the Mississippi that are old enough to have run-down slums, doctors have long thought they had correctly estimated the annual incidence of lead poisoning in children. New York City has had an average of about 600 cases a year reported for the past decade. Baltimore has averaged 25, Cleveland 50, Chicago 155. But at a conference held last week at Manhattan's Rockefeller University, researchers suggested that these figures are gross underestimates. New York City may have as many as 30,000 cases, and the total for the U.S. may run as high as 225,000. The fact...

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